| 2. Round | 19/08/2018 | River Plate | - | Belgrano de Córdoba | 0:0 | ||||
| 5. Round | 15/09/2018 | River Plate | - | San Martín de San Juan | 4:1 |  |
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| 7. Round | 29/09/2018 | Lanús | - | River Plate | 1:5 | |
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| 9. Round | 20/10/2018 | Colón de Santa Fe | - | River Plate | 1:0 | ||||
| 10. Round | 27/10/2018 | River Plate | - | Aldosivi | 1:0 | |
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| 11. Round | 03/11/2018 | Estudiantes | - | River Plate | 1:0 | ||||
| 14. Round | 03/12/2018 | River Plate | - | Gimnasia de La Plata | 3:1 | ||||
| 16. Round | 27/01/2019 | River Plate | - | Patronato de Paraná | 1:3 |
Paraguay